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GM720A-YF A

/C Service Station

Safety

A. The machine is designed to be used and repaired by qualified personnel only.
B. The machine is designed to be used for R134a or R1234yf refrigerant. But if you select using for R134a, you can’t

use for R1234yf anymore and vice versa.

C. Fill the A/C system with the quantity of refrigerant recommended by the manufacturer.
D. Check the vehicle user manual for the type of refrigerant. Do not mix different type of refrigerant otherwise it’ll easily

lead to malfunction of the machine.

E. Keep away from moving parts and rotating elements such as cooling fans, alternators and heating components, etc

to avoid harm.

F. Wear protective clothing gloves and goggles.
G. As automotive air conditioning pipe flushing, the operator must be fully familiar with automotive air conditioning

system and operation of the machine. Check whenever the engine is turned off that the ignition key is turned to the
full OFF position!

H. Do not expose the machine to direct sunlight or rain. Use only in well-ventilated work areas.
I. Never exceed 30 ° tilt in transit process upside down is strictly prohibited.
J. Do not touch the machine high voltage power supply section, and do not maintain the machine as power on.
K. Care of the manual.
L. We reserve the right to modify the contents of this document without prior notice to our

Customers

Summary of Contents for GM720A-YF

Page 1: ...GM720A YF A C Service Station GM720A YF A C System Maintenance Centre...

Page 2: ...such as cooling fans alternators and heating components etc to avoid harm F Wear protective clothing gloves and goggles G As automotive air conditioning pipe flushing the operator must be fully famili...

Page 3: ...ew oil adding 6 9 Recharging 7 10 Auto Mode 7 11 Database 8 12 Equipment Maintanance 8 12 1 Exchange dry filter 8 12 2 Clean pipe of the unit 8 12 3 Calibration of load cell 8 12 4 Change vacuum pump...

Page 4: ...prove the cleaning effect D Using large size glass tube with LED backlighting can effectively observe the entire cleaning process E Vertically installing the HP LP gauges let the operator be able to o...

Page 5: ...unctions A Automatic flushing B Automatic recovering recycling C Automatic manual used oil drain D Vacuum timing E Automatic manual new oil injection F Quantitative recharging G Auto mode H Database I...

Page 6: ...rts descriptions HP gauge Operation panel LP gauge Dry filter service port TP gauge Switch for new oil adding New oil bottle Switch for used oil discharge Used oil bottle Printer LCD display HP Port L...

Page 7: ...lease refer to the chapter of Refrigerant supply D Please read this user manual carefully before operating 3 Preparations before Operation A To check if there has enough refrigerant in the tank The vo...

Page 8: ...irely to improve the performance of compressor And also it will recover the refrigerant remained in the A C system B Before flushing the pipeline of automotive A C system please turn on A C system and...

Page 9: ...eds 15 minutes at least for the air conditioning only with front wind and 20 minutes for with the front and rear wind C Operations C 1 Select the Vacuum Function and press the ENTER key C 2 Set the va...

Page 10: ...ng Note In the recharging process if shows the menu it means that you need to turn on the car air conditioning to complete the recharging process Later you should supply new refrigerant into the tank...

Page 11: ...er 12 2 Clean pipe of the unit A After a period of use such as 2months it should be run this function B It can clean up the pipe line of the machine 12 3 Calibration of load cell A When the load cell...

Page 12: ...the High pressure Alarm it need do this function B We advise that it should be done once a month 14 System function 14 1 Supply main tank internal tank A If the refrigerant amount in the main tank is...

Page 13: ...tank upside down M2 2 Connect the HP or LP coupler to the supplying connecter M2 3 Select the Recovery function and run it M2 4 When you see the total amount more than 4 5kg close the valve of the re...

Page 14: ...machine 15 2 Servicer info Here you can set and check the servicer and dealer information The way for setting Press and keys at same time into the setup state Use the and keys to select position Use...

Page 15: ...GM720A YF A C Service Station 12 16 Help Here you can check all of the help messages...

Page 16: ...GM720A YF A C Service Station 13 Declare We reserve the right to modify the contents of this document without prior notice to our customers...

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